as the lead for domestic sever security. the fbi also has a key part to play in investigating and preventing cyber attacks. and our intelligence agencies, of course, are focused on this potential threat as well. the state department is trying to forge international consensus on the roles and spots -- roles and responsibilities of nations to help secure cyberspace. the department of defense also has a rule. -- a role. it is a supporting role, but he is an essential role. bentonite, i want to explain what that means. but first, let me make clear what it does not mean. it does not mean that the department of defense will monitor citizens' personal computers. we're not interested in personal communication or in e-mails or in providing the day-to-day security of private and commercial networks. that is not our goal. that is not our job. that is not our mission. our mission is to defend the nation. we defend, we deter, and, if called upon, we take decisive action to protect our citizens. in the past, we have done so in operations on land, at sea, in the skies and in space. in this century, the uni